Muhammad Naeem Posted July 27, 2016 Share Posted July 27, 2016 You want to realize a low frequency vector impedance meter in the frequency range from 0.01Hz to 10Hz and to this aim you need to build a synthesizer with adequate stability (order of micro Hz) and frequency resolution (1mHz). i) Show with a block diagram how such a generator could be realized starting from 32kHz quartz oscillator and using direct digital frequency synthesis approach??? ii) Discuss the comparison between such a generator and one realized with the analog beat note approach , from the point of view of frequency stability Link to comment Share on other sites More sharing options...
D@n Posted July 27, 2016 Share Posted July 27, 2016 Wow, that's a lot of posts on the same topic. You might want to give the staff a couple more minutes to wake up---many of the folks that respond are in the US, and so responses can be sparse during the night in the US. Will you be doing this with any particular hardware? The synthesizer part to your requirement is so easy it's almost embarassing. The real issue there is what type of waveform can you support. Do you want a square wave? Triangle wave? Or better? And if better, what hardware are you using? 'Cause that'll help to determine what the limits are of what you can do. Dan Link to comment Share on other sites More sharing options...
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